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Noun: oil of vitriol
  1. A highly corrosive acid made from sulphur dioxide (H₂SO₄); widely used in the chemical industry
    "oil of vitriol is used in the production of fertilizers and batteries";
    - vitriol, sulfuric acid [N. Amer], sulphuric acid [Brit, Cdn]

Derived forms: oils of vitriol

Type of: acid

Encyclopedia: Oil of vitriol